CN111749059A

CN111749059A - Single-rail sleeper replacing locomotive

Info

Publication number: CN111749059A
Application number: CN202010681047.4A
Authority: CN
Inventors: 伍金云
Original assignee: Jiangshan Genluo Technology Co ltd
Current assignee: Jiangshan Genluo Technology Co ltd
Priority date: 2020-07-15
Filing date: 2020-07-15
Publication date: 2020-10-09

Abstract

The invention discloses a railway sleeper single replacing locomotive, which comprises a locomotive body, wherein a stroke cavity is arranged in the locomotive body, a transmission slide block is arranged in the stroke cavity in a left-right sliding manner, a replacing mechanism is arranged on the transmission slide block, a loading and unloading cavity is arranged below the stroke cavity, a loading and unloading mechanism is arranged in the loading and unloading cavity, the railway sleeper replacing locomotive is a railway locomotive carrying a sleeper replacing device and can run to a working place along a railway, the railway sleeper replacing locomotive is provided with the loading and unloading mechanism capable of dismounting screws and connecting pieces, and the replacing mechanism capable of pushing away stones around an old sleeper and then drawing out the sleeper from the side surface of the railway and replacing the sleeper with a new sleeper, and the loading and unloading mechanism and the replacing mechanism alternately move to complete work.

Description

Single-rail sleeper replacing locomotive

Technical Field

The invention relates to the technical field of railway locomotives, in particular to a railway sleeper single replacing locomotive.

Background

The railway usually comprises two rail and a plurality of sleeper, keep the same clearance between the sleeper, the rail is lifted, both support the rail, keep the position of rail again, still transmit the huge pressure that the rail transmitted to the railway roadbed again, so the sleeper damages more easily than the rail, need in time change these sleeper that damage, otherwise can influence the normal use of railway, because the distance is limited between the sleeper when dismantling the sleeper, can only take out the sleeper edgewise, and the sleeper is mostly concrete placement and forms, great weight has, the workman needs several people to pull when changing, be difficult for operating.

Disclosure of Invention

Aiming at the technical defects, the invention provides a railway sleeper single replacement locomotive which can overcome the defects.

The invention discloses a railway sleeper single replacing locomotive, which comprises a locomotive body, wherein a stroke cavity is arranged in the locomotive body, a transmission slide block is arranged in the stroke cavity in a left-right sliding manner, a replacing mechanism is arranged on the transmission slide block, a loading and unloading cavity is arranged below the stroke cavity, a loading and unloading mechanism is arranged in the loading and unloading cavity, the replacing mechanism comprises a driving shaft rotationally and rotatably arranged in the transmission slide block, a rotating disc is fixedly arranged at the right end of the driving shaft, a threaded pipe is rotationally arranged in the rotating disc, the threaded pipe is fixedly arranged at the right side of the transmission slide block, the upper part and the lower part of the rotating disc are respectively rotationally provided with two connecting shaft sleeves, a loading and unloading bin is fixedly arranged at the left side of each connecting shaft sleeve, a replacing sleeper is arranged in one loading and unloading bin, a lifting shaft is rotationally arranged in the loading, the upper side of the lifting gear is connected with a lifting slider in a meshing manner, the lifting slider is arranged in the loading and unloading chamber in a front-back sliding manner, the rear side of the lifting slider is provided with a lifting spring connected with the loading and unloading chamber, the front end of the lifting slider is rotatably provided with a lifting rod, the other end of the lifting rod is rotatably arranged on a lifting plate, the lifting plate is vertically and slidably arranged in the loading and unloading chamber, a directional shaft sleeve is fixedly arranged on the screwed pipe, the directional shaft sleeve is rotatably arranged in a directional turntable, a directional chain wheel is fixedly arranged on the directional shaft sleeve, the directional chain wheel is connected with two synchronous chain wheels through a directional chain, the synchronous chain wheel is fixedly arranged on a synchronous shaft sleeve, the synchronous shaft sleeve is fixedly arranged on the connecting shaft sleeve and is rotatably arranged in the directional turntable, and the loading and unloading mechanism comprises a lifting plate, the lifting plate is characterized in that a lifting spring capable of being connected with the machine body is arranged below the lifting plate, four lifting sleeves are fixedly mounted on the lifting plate, a nut rotating sleeve is rotatably mounted in the lifting sleeve, a spline block is mounted in the nut rotating sleeve, the spline block is fixedly mounted on the spline block, an elastic shaft is rotatably mounted in the upper wall of the loading and unloading cavity, four mounting blocks are fixedly mounted below the machine body, a transition gear capable of being meshed with the side surface of the lifting sleeve is rotatably mounted at the lower end of each mounting block, a turnover gear is connected to the lower side of the transition gear in a meshed mode, the turnover gear is rotatably mounted on the lower portion of each mounting block, and a grabbing plate is fixedly mounted on each turnover gear.

Beneficially, a motor is arranged at the left part of the machine body, a power spline shaft is connected to the lower side of the motor, a power spline sleeve is arranged on the power spline shaft in a spline mode, the power spline sleeve is rotatably arranged in a magnetic sliding plate, the magnetic sliding plate is slidably arranged in the machine body up and down, an electromagnet is arranged above the magnetic sliding plate, a reverse spring capable of being connected with the machine body is arranged on the upper side of the magnetic sliding plate, a power bevel gear and a driving bevel gear are fixedly arranged on the power spline sleeve, a linking bevel gear capable of being meshed with the power bevel gear and the driving bevel gear is arranged on the right side of the power spline sleeve, the linking bevel gear is fixedly arranged on a power shaft, a power belt wheel is fixedly arranged on the power shaft, the power belt wheel is connected with a driving belt wheel through a power, the threaded sleeve is rotatably installed in the right wall of the stroke cavity, and the threaded pipe is installed in the threaded sleeve in a threaded mode.

Beneficially, the power spline shaft is further fixedly provided with a transmission bevel gear, a loading and unloading bevel gear and a power sprocket, the right side of the transmission bevel gear is engaged and connected with a driven bevel gear, the driven bevel gear is fixedly arranged on the drive spline shaft, the drive spline shaft is rotatably arranged in the stroke cavity, the power sprocket is connected with four loading and unloading sprockets through a transmission chain, the loading and unloading sprockets are fixedly arranged on the elastic shaft, the right side of the loading and unloading bevel gear is provided with an output bevel gear capable of being engaged with the loading and unloading bevel gear, the output bevel gear is fixedly arranged on an engagement spline sleeve, the engagement spline sleeve is rotatably arranged in a push block, the push block is slidably arranged on the right wall of the machine body in a left-right mode and can be pushed by the directional rotating disc, the left side of the push block is provided with a thrust spring connected, the front side and the rear side of the pressing gear are respectively connected with a pressing rack in a meshed mode, and the two pressing racks are arranged in the loading and unloading cavity in a vertically sliding mode.

Beneficially, the replacement mechanism further comprises a spline shaft sleeve rotatably installed in the transmission sliding block, the spline in the spline shaft sleeve is provided with the driving spline shaft, the spline on the spline shaft sleeve is provided with a driving spline sleeve, the driving spline sleeve is rotatably installed in the separation pressing block, the separation pressing block is installed in the transmission sliding block in a left-right sliding mode, a separation spring connected with the transmission sliding block is arranged on the left side of the separation pressing block, the driving spline sleeve is fixedly provided with a driving gear and rotatably provided with a clamping wheel block, the clamping wheel block is installed in the transmission sliding block in a left-right sliding mode, and a transmission gear capable of being meshed with the driving gear and the clamping wheel block is fixedly installed on the driving shaft.

Advantageously, the replacement mechanism further comprises two engaging spline shafts rotatably mounted in the rotating disc, a driving pulley being fixedly mounted on the engaging spline shafts, the driving pulley being connected to a lifting pulley by a lifting belt, the lifting pulley being fixedly mounted on the lifting shaft, the lifting shaft further being rotatably mounted in the rotating disc.

The beneficial effects are that: the device is a railway locomotive carrying a sleeper replacement device, can travel to a working place along a railway, and is provided with a loading and unloading mechanism capable of assembling and disassembling screws and connecting pieces, and a replacement mechanism capable of pushing away stones around an old sleeper, then drawing out the sleeper from the side surface of a rail, replacing the sleeper with a new sleeper, and moving the two mechanisms alternately to complete work.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

FIG. 1 is a schematic structural view of a single railroad tie replacement vehicle according to the present invention;

FIG. 2 is an enlarged view of a portion "A" in FIG. 1;

FIG. 3 is an enlarged view of a portion "B" in FIG. 1;

FIG. 4 is an enlarged view of a portion "C" in FIG. 1;

FIG. 5 is a schematic sectional view taken along the direction "D-D" in FIG. 1;

FIG. 6 is a schematic sectional view taken along the direction "E-E" in FIG. 1;

FIG. 7 is a schematic sectional view of the structure of FIG. 1 taken along the direction "F-F".

Detailed Description

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations and/or steps that are mutually exclusive.

The invention will now be described in detail with reference to fig. 1-7, for convenience of description, the following orientations will now be defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The invention discloses a railway sleeper single replacement locomotive, which comprises a locomotive body 10, wherein a stroke cavity 11 is arranged in the locomotive body 10, a transmission slide block 84 is arranged in the stroke cavity 11 in a left-right sliding manner, a replacement mechanism capable of pushing away broken stones 79 burying old sleepers 78 and then taking out the old sleepers 78 and replacing the old sleepers with replacement sleepers 83 is arranged on the transmission slide block 84, a loading and unloading cavity 12 is arranged below the stroke cavity 11, a loading and unloading mechanism capable of installing and disassembling nuts 82 connecting rails and sleepers and replacement sleepers 83 is arranged in the loading and unloading cavity 12, the replacement mechanism comprises a driving shaft 38 rotatably arranged in the transmission slide block 84, a rotating disc 46 is fixedly arranged at the right end of the driving shaft 38, a threaded pipe 27 is rotatably arranged in the rotating disc 46, the threaded pipe 27 is fixedly arranged at the right side of the transmission slide block 84, two connecting shaft sleeves 45 are respectively rotatably arranged at the upper part and the lower part of, the left side of the connecting shaft sleeve 45 is fixedly provided with a loading and unloading bin 62, one loading and unloading bin 62 is internally provided with a replacement sleeper 83, a lifting shaft 47 is rotatably arranged in the loading and unloading bin 62, a lifting gear 48 is fixedly arranged on the lifting shaft 47, the upper side of the lifting gear 48 is engaged and connected with a lifting slider 49, the lifting slider 49 is arranged in the loading and unloading bin 62 in a front-back sliding manner, the rear side of the lifting slider 49 is provided with a lifting spring 50 connected with the loading and unloading bin 62, the front end of the lifting slider 49 is rotatably provided with a lifting rod 51, the other end of the lifting rod 51 is rotatably arranged on a lifting plate 52, the lifting plate 52 is vertically slidably arranged in the loading and unloading bin 62, a directional shaft sleeve 39 is fixedly arranged on the threaded pipe 27, the directional shaft sleeve 39 is rotatably arranged in a directional turntable 40, and a directional chain wheel 41 is fixedly arranged on, the directional chain wheel 41 is connected with two synchronous chain wheels 43 through a directional chain 42, the synchronous chain wheels 43 are fixedly arranged on a synchronous shaft sleeve 44, the synchronous shaft sleeve 44 is fixedly arranged on the connecting shaft sleeve 45 and is rotatably arranged in the directional rotary table 40, the assembling and disassembling mechanism comprises a lifting plate 72 which is arranged in the assembling and disassembling cavity 12 in a vertical sliding mode, a lifting spring 73 which can be connected with the machine body 10 is arranged below the lifting plate 72, four lifting sleeves 71 are fixedly arranged on the lifting plate 72, a nut rotating sleeve 70 which can be sleeved on the nut 82 is rotatably arranged in the lifting sleeve 71, a spline block 69 is arranged on the spline block 70, the spline block 69 is fixedly arranged on the spline block 69, the loosening shaft 68 is rotatably arranged in the upper wall of the assembling and disassembling cavity 12, and four mounting blocks 74 are fixedly arranged below the machine body 10, the lower end of the mounting block 74 is rotatably provided with a transition gear 75 which can be meshed with the side surface of the lifting sleeve 71, the lower side of the transition gear 75 is meshed with a turnover gear 76, the turnover gear 76 is rotatably arranged at the lower part of the mounting block 74, and a piece grabbing plate 77 which can be grabbed by the connecting piece 81 after being turned over is fixedly arranged on the turnover gear 76.

Beneficially, a motor 13 is arranged at the left part of the machine body 10, a power spline shaft 14 is connected to the lower side of the motor 13, a power spline housing 15 is splined on the power spline shaft 14, the power spline housing 15 is rotatably mounted in a magnetic sliding plate 16, the magnetic sliding plate 16 is slidably mounted in the machine body 10 up and down, an electromagnet 18 is arranged above the magnetic sliding plate 16, a reverse spring 17 capable of being connected with the machine body 10 is arranged at the upper side of the magnetic sliding plate 16, a power bevel gear 19 and a driving bevel gear 20 are fixedly mounted on the power spline housing 15, an engaging bevel gear 21 capable of being engaged with the power bevel gear 19 and the driving bevel gear 20 is arranged at the right side of the power spline housing 15, the engaging bevel gear 21 is fixedly mounted on a power shaft 22, a power pulley 23 is fixedly mounted on the power shaft 22, and the power pulley 23 is connected with a driving pulley 25 through a, the driving belt wheel 25 is fixedly arranged on a threaded sleeve 26, the threaded sleeve 26 is rotatably arranged in the right wall of the stroke cavity 11, and the threaded pipe 27 is arranged in the threaded sleeve 26 in a threaded mode.

Advantageously, a drive bevel gear 28, a loading bevel gear 57 and a power sprocket 65 are fixedly mounted on the power spline shaft 14, the right side of the drive bevel gear 28 is engaged and connected with a driven bevel gear 29, the driven bevel gear 29 is fixedly mounted on the drive spline shaft 30, the drive spline shaft 30 is rotatably mounted in the stroke cavity 11, the power sprocket 65 is connected with four loading and unloading sprockets 67 through a drive chain 66, the loading and unloading sprockets 67 are fixedly mounted on the elastic shaft 68, the right side of the loading and unloading bevel gear 57 is provided with an output bevel gear 58 capable of being engaged with the loading and unloading bevel gear 57, the output bevel gear 58 is fixedly mounted on an engaging spline housing 59, the engaging spline housing 59 is rotatably mounted in a push block 60, the push block 60 is slidably mounted on the right wall of the machine body 10 from left to right and can be pushed by the orientation dial 40, the left side of the push block 60 is provided with a thrust spring, a pressing gear 63 is fixedly mounted on the engaging spline housing 59, the front side and the rear side of the pressing gear 63 are respectively connected with a pressing rack 64 in a meshing manner, the two pressing racks 64 are respectively mounted in the upper wall of the loading and unloading cavity 12 in a vertical sliding manner, and the lifting plate 72 can be pressed downwards by the downward sliding of the pressing racks 64.

Advantageously, the replacement mechanism further comprises a spline shaft sleeve 31 rotatably mounted in the transmission slide block 84, the driving spline shaft 30 is splined in the spline shaft sleeve 31, a driving spline sleeve 32 is splined on the spline shaft sleeve 31, the driving spline sleeve 32 is rotatably mounted in a separation press block 33, the separation press block 33 is slidably mounted in the transmission slide block 84 from left to right and can be pressed into the transmission slide block 84 by the right wall of the stroke cavity 11, a separation spring 34 connected with the transmission slide block 84 is arranged at the left side of the separation press block 33, a driving gear 36 is fixedly mounted on the driving spline sleeve 32 and a clamping wheel block 35 is rotatably mounted on the driving spline sleeve 35, the clamping wheel block 35 is slidably mounted in the transmission slide block 84 from left to right, a transmission gear 37 capable of being meshed with the driving gear 36 and the clamping wheel block 35 is fixedly mounted on the driving shaft 38, when the wheel clamping block 35 is meshed with the transmission gear 37, the transmission gear 37 cannot rotate.

Advantageously, the replacement mechanism further comprises two engaging spline shafts 56 rotatably mounted in the rotating disc 46, the left ends of the engaging spline shafts 56 can be in spline connection with the engaging spline housing 59, a driving pulley 55 is fixedly mounted on the engaging spline shafts 56, the driving pulley 55 is connected with a lifting pulley 53 through a lifting belt 54, the lifting pulley 53 is fixedly mounted on the lifting shaft 47, and the lifting shaft 47 is also rotatably mounted in the rotating disc 46.

In the initial state, the transmission slide block 84 is positioned at the rightmost end in the stroke cavity 11, the loading and unloading bin 62 provided with the replacement sleeper 83 is arranged above, the electromagnet 18 is not electrified, the engaging bevel gear 21 is meshed with the power bevel gear 19 and is not meshed with the driving bevel gear 20, the loading and unloading bevel gear 57 is not meshed with the output bevel gear 58, the lifting plate 72 is not pressed down, and the grabbing plate 77 is in an open state; at the beginning of operation, the motor 13 is started, so that the power spline shaft 14 is rotated, so that the power spline housing 15 is rotated, so that the power shaft 22 is rotated through the meshing transmission of the power bevel gear 19 and the engaging bevel gear 21, so that the threaded housing 26 is rotated through the belt transmission of the power pulley 23 and the driving pulley 25, so that the threaded pipe 27 is left-slid through the thread transmission with the threaded pipe 27, so that the transmission slider 84 and the rotating disc 46 are left-slid, after the transmission slider 84 is left-slid, the separation press block 33 is right-slid under the action of the separation spring 34, so that the driving gear 36 is separated from the driving gear 37 and the clamping wheel block 35 is connected with the driving gear 37, and simultaneously the rotating disc 46 is left-slid to drive the loading and unloading bin 62 to left, so that the crushed stones 79 on the side and the lower side of the old sleeper 78 are pushed to the left, when the loading and unloading bin 62, and the directional rotating disk 40 pushes the push block 60 to slide to the left, so that the output bevel gear 58 is meshed with the loading and unloading bevel gear 57, so that the power spline shaft 14 drives the engaging spline housing 59 to rotate through the meshing transmission of the loading and unloading bevel gear 57 and the output bevel gear 58, so as to drive the engaging spline shaft 56 to rotate, so as to drive the lifting shaft 47 to rotate through the belt transmission of the driving belt wheel 55 and the lifting belt wheel 53, so as to drive the lifting slider 49 to slide through the meshing transmission of the lifting gear 48 and the lifting slider 49, so as to drive the lifting plate 52 to be slidingly connected with the old sleeper 78 through the lifting rod 51, and the engaging spline housing 59 drives the lower pressing rack 64 to slide downwards through the meshing transmission of the lower pressing gear 63 and the lower pressing rack 64, so as to press the lifting plate 72 downwards, so as to drive the lifting housing 71 to slide downwards, so as to drive the nut rotating housing 70 to slide downwards to be connected with the nut 82, so as to, thereby, the nut rotating sleeve 70 is driven to rotate through the spline block 69, the nut 82 is unscrewed from the stud 80, and when the lifting sleeve 71 descends, the overturning gear 76 can be driven to rotate through meshing transmission with the transition gear 75, so that the grabbing plate 77 is driven to rotate and extend below the connecting piece 81.

At this time, the electromagnet 18 is energized to generate magnetic force to attract the magnetic sliding plate 16 to slide upwards, so that the power spline sleeve 15 is driven to ascend, the power bevel gear 19 is separated from the engaging bevel gear 21, the driving bevel gear 20 is engaged with the engaging bevel gear 21, so that the power spline shaft 14 rotates to drive the power shaft 22 to rotate reversely, so that the threaded pipe 27 is driven to slide rightwards, so that the loading and unloading bin 62 is driven to slide rightwards, after the directional rotating disc 40 is separated from the push block 60, the loading and unloading bevel gear 57 is separated from the output bevel gear 58, so that the lifting plate 52 descends, the old sleeper 78 is received in the loading and unloading bin 62, the lifting plate 72 is lifted under the action of the lifting spring 73, then the transmission slide block 84 slides rightmost, the separation press block 33 is pressed into the transmission slide block 84, so that the clamp wheel block 35 is separated from the transmission gear 37, the driving gear 36 is engaged with the transmission gear 37, so that the power spline, thereby rotating the spline housing 31 and thus the driving spline housing 32, and thus the driving shaft 38, and thus the rotating disc 46, by the meshing transmission of the driving gear 36 and the transmission gear 37, so that the two loading and unloading bins 62 are switched.

Then the motor is reversed so that the rotating disc 46 slides leftwards again to drive the replacement sleeper 83 to slide leftwards to the side of the rail through the loading and unloading bin 62, when the loading and unloading bevel gear 57 is meshed with the output bevel gear 58 again, the lifting plate 52 lifts the lifting plate 72 to descend, meanwhile, the nut rotating sleeve 70 is reversed to fix the nut 82 and the connecting piece 81 on the replacement sleeper 83 to be fixed with the rail, then the electromagnet 18 is disconnected so that the power bevel gear 19 is meshed with the engaging bevel gear 21, so that the transmission slide block 84 moves rightwards again, and the whole process is completed.

The beneficial effects are that: the device is a railway locomotive carrying a sleeper replacement device, can travel to a working place along a railway, and is provided with a loading and unloading mechanism capable of assembling and disassembling screws and connecting pieces, and a replacement mechanism capable of pushing away stones around an old sleeper, then drawing out the sleeper from the side surface of a rail, replacing the sleeper with a new sleeper, and moving the two mechanisms alternately to complete the work.

The above description is only an embodiment of the invention, but the scope of the invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the invention. Therefore, the protection scope of the invention should be subject to the protection scope defined by the claims.

Claims

1. The utility model provides a single locomotive of changing of railway sleeper, includes the organism, its characterized in that: a stroke cavity is arranged in the machine body, a transmission slide block is arranged in the stroke cavity in a left-right sliding mode, a replacing mechanism is arranged on the transmission slide block, a loading and unloading cavity is arranged below the stroke cavity, and a loading and unloading mechanism is arranged in the loading and unloading cavity; the replacing mechanism comprises a driving shaft which is rotatably and rotatably arranged in the transmission sliding block, a rotating disc is fixedly arranged at the right end of the driving shaft, a threaded pipe is rotatably arranged in the rotating disc, the threaded pipe is fixedly arranged at the right side of the transmission sliding block, two connecting shaft sleeves are respectively rotatably arranged at the upper part and the lower part of the rotating disc, a loading and unloading bin is fixedly arranged at the left side of each connecting shaft sleeve, a replacing sleeper is arranged in one loading and unloading bin, a lifting shaft is rotatably arranged in the loading and unloading bin, a lifting gear is fixedly arranged on the lifting shaft, the upper side of the lifting gear is engaged and connected with a lifting sliding block, the lifting sliding block is slidably arranged in the loading and unloading bin in the front and back direction, a lifting spring connected with the loading and unloading bin is arranged at the rear side of the lifting sliding block, a lifting rod is rotatably arranged, the lifting plate is vertically and slidably mounted in the loading and unloading bin, a directional shaft sleeve is fixedly mounted on the screwed pipe, the directional shaft sleeve is rotatably mounted in a directional turntable, a directional chain wheel is fixedly mounted on the directional shaft sleeve, the directional chain wheel is connected with two synchronous chain wheels through a directional chain, the synchronous chain wheels are fixedly mounted on synchronous shaft sleeves, and the synchronous shaft sleeves are fixedly mounted on the connecting shaft sleeves and rotatably mounted in the directional turntable; the loading and unloading mechanism comprises a lifting plate which is arranged in the loading and unloading cavity in a vertical sliding mode, a lifting spring which can be connected with the machine body is arranged below the lifting plate, four lifting sleeves are fixedly arranged on the lifting plate, nuts are rotatably arranged in the lifting sleeves and are rotated, spline blocks are arranged on the splines in the nut rotating sleeves, the spline blocks are fixedly arranged on the spline blocks, a tightening shaft is rotatably arranged in the upper wall of the loading and unloading cavity, four mounting blocks are fixedly arranged below the machine body, a transition gear which can be meshed with the side faces of the lifting sleeves is rotatably arranged at the lower end of each mounting block, a turnover gear is connected to the lower side of the transition gear in a meshed mode, the turnover gear is rotatably arranged on the lower portion of each mounting block, and a grabbing plate is fixedly arranged on each turnover gear.

2. The railroad tie single replacement vehicle of claim 1, wherein: the left part of the machine body is provided with a motor, the lower side of the motor is connected with a power spline shaft, a power spline sleeve is arranged on the power spline shaft in a spline manner, the power spline sleeve is rotatably arranged in a magnetic slide plate, the magnetic slide plate is slidably arranged in the machine body up and down, an electromagnet is arranged above the magnetic slide plate, a reverse spring capable of being connected with the machine body is arranged on the upper side of the magnetic slide plate, a power bevel gear and a driving bevel gear are fixedly arranged on the power spline sleeve, a linking bevel gear capable of being meshed with the power bevel gear and the driving bevel gear is arranged on the right side of the power spline sleeve, the linking bevel gear is fixedly arranged on a power shaft, a power belt wheel is fixedly arranged on the power shaft, the power belt wheel is connected with the driving belt wheel through a power belt, the driving belt wheel is fixedly arranged on a threaded, the threaded pipe is installed in the threaded sleeve in a threaded mode.

3. The railroad tie single replacement vehicle of claim 2, wherein: the power spline shaft is also fixedly provided with a transmission bevel gear, a loading and unloading bevel gear and a power chain wheel, the right side of the transmission bevel gear is engaged and connected with a driven bevel gear, the driven bevel gear is fixedly arranged on the drive spline shaft, the drive spline shaft is rotatably arranged in the stroke cavity, the power chain wheel is connected with four loading and unloading chain wheels through a transmission chain, the loading and unloading chain wheels are fixedly arranged on the elastic shaft, the right side of the loading and unloading bevel gear is provided with an output bevel gear which can be engaged with the loading and unloading bevel gear, the output bevel gear is fixedly arranged on a linking spline sleeve, the linking spline sleeve is rotatably arranged in a push block, the push block is slidably arranged on the right wall of the machine body in a left-right mode and can be pushed by the directional rotating disc, the left side of the push block is provided with, the front side and the rear side of the pressing gear are respectively connected with a pressing rack in a meshed mode, and the two pressing racks are arranged in the loading and unloading cavity in a vertically sliding mode.

4. A railroad tie single replacement vehicle as set forth in claim 3, wherein: replacement mechanism still including rotate install in spline shaft cover in the transmission slider, spline is installed in the spline shaft cover drive integral key shaft, spline shaft sheathes in the spline and installs the drive spline housing, the drive spline housing rotates and installs in the separation briquetting, separation briquetting horizontal sliding install in the transmission slider, separation briquetting left side be provided with the separation spring that the transmission slider is connected, fixed mounting has drive gear and rotates on the drive spline housing and installs the card wheel piece, card wheel piece horizontal sliding install in the transmission slider, drive epaxial fixed mounting have can with drive gear with card wheel piece meshed drive gear.

5. A railroad tie single replacement vehicle as set forth in claim 3, wherein: the replacing mechanism further comprises two linking spline shafts which are rotatably arranged in the rotating disc, a transmission belt wheel is fixedly arranged on the linking spline shafts, the transmission belt wheel is connected with a lifting belt wheel through a lifting belt, the lifting belt wheel is fixedly arranged on the lifting shaft, and the lifting shaft is further rotatably arranged in the rotating disc.